Comparison of demographic data and baseline assessment measures
| Variable | Group A (n = 19) | Group B (n = 22) | |
|---|---|---|---|
| Sex Female Male |
17 (89.5) 2 (10.5) |
21 (95.5) 1 (4.5) |
0.463 |
| Age (yr)a | 63.42 ± 9.90 | 63.54 ± 6.29 | 0.960 |
| Kellgren–Lawrence stage Stage 3 Stage 4 |
9 (47.4) 10 (52.6) |
13 (59.1) 9 (40.9) |
0.453 |
| Procedure side Right Left Bilateral |
12 (63.2) 3 (15.8) 4 (21.1) |
11 (50.0) 9 (40.9) 2 (9.1) |
0.175 |
| Body mass index (kg/m2)a | 33.38 ± 3.45 | 31.41 ± 5.07 | 0.160 |
| Marital status Married Single |
17 (89.5) 2 (10.5) |
19 (86.4) 3 (13.6) |
0.762 |
| Education level Illiterate Primary school Secondary school High school University |
5 (26.3) 13 (68.4) 1 (5.3) 0 (0) 0 (0) |
4 (18.2) 11 (50.0) 3 (13.6) 3 (13.6) 1 (4.5) |
0.355 |
| Symptom duration (mo)b | 120 (60–180) | 66 (24–120) | 0.058 |
| NRSb | 8 (8–9) | 8 (7–9) | 0.500 |
| WOMACa Pain Stiffnessb Function Total |
11.51 ± 3.98 2.08 (0–4.16) 40.07 ± 10.63 53.83 ± 14.64 |
11.07 ± 3.37 3.64 (0.78–5.47) 39.06 ± 8.88 53.26 ± 13.09 |
0.700 0.161 0.740 0.896 |
| SF-36a Physical health Emotional health |
106.97 ± 37.30 150.83 ± 54.33 |
150.68 ± 53.03 177.27 ± 72.78 |
0.005 0.201 |
| Analgesic drugs useb | 4 (2–7) | 3 (2–7) | 0.850 |
Values are presented as number (%), mean ± standard deviation, or median (interquartile range).
NRS: numeric rating scale,
aParametric data, bNon-parametric data.